Table 4.

Injuries in National Football League Games by Season, Anatomic Site and Injury Mechanism

Season and Anatomic site	Number of Injuries (per 1000 AEs)				Injuries per 1000 AEs
	Contact	Noncontact	Overuse	Total
Weeks 1-4 of 2016-2017 Preseason and Regular Season
Hip/groin	19	2	110	131	0.46
Upper Leg/thigh	21	1	2	22	0.08
Knee	117	0	0	117	0.41
Lower leg/Achilles	11	9	24	44	0.15
Ankle	83	0	0	83	0.29
Foot/toes	28	0	0	28	0.10
Back	28	0	0	28	0.10
Biceps	0	0	0	0	0.00
Rib Fracture	11	0	0	11	0.04
Collarbone	1	0	0	1	0.00
Concussion	61	0	0	61	0.21
Elbow	15	0	0	15	0.05
Finger	1	0	0	1	0.00
Hand	22	0	0	22	0.08
Illness	0	6	0	6	0.02
Neck	9	0	0	9	0.03
Pectoralis Major	2	7	0	9	0.03
Toe	9	0	0	9	0.03
Shoulder	60	0	0	60	0.21
Sports Hernia	0	0	0	0	0.00
Triceps	3	0	0	3	0.01
Undisclosed	50	0	0	50	0.18
Total	551	25	136	712	2.50

Season and Anatomic site	Number of Injuries (Injuries per 1000 AEs)				Injuries per 1000 AEs
	Contact	Noncontact	Overuse	Total
Weeks 1-4 of 2018-2019 preseason and regular season
Hip/groin	24	50	9	83	0.29
Upper leg/thigh	0	12	109	121	0.42
Knee	159	0	0	159	0.56
Lower leg/Achilles	23	6	18	47	0.16
Ankle	94	0	0	94	0.33
Foot/toes	46	0	0	46	0.16
Back	0	21	0	21	0.07
Biceps	0	2	0	2	0.01
Rib fracture	13	0	0	13	0.05
Collarbone	0	0	0	0	0.00
Concussion	63	0	0	63	0.22
Elbow	14	0	0	14	0.05
Finger	6	5	0	11	0.04
Hand	16	0	0	16	0.06
Illness	0	16	0	16	0.06
Neck	7	0	0	7	0.02
Pectoralis major	6	0	0	6	0.02
Toe	10	0	0	10	0.04
Shoulder	63	0	0	63	0.22
Sports hernia	0	0	0	0	0.00
Triceps	0	3	0	3	0.01
Forearm	4	0	0	4	0.01
Undisclosed	132	0	0	132	0.46
Total	680	115	136	931	3.26

Season and Anatomic site	Number of Injuries (Injuries per 1000 AEs)				Injuries per 1000 AEs
	Contact	Noncontact	Overuse	Total
Weeks 1-4 of 2019-2020 preseason and regular season
Hip/groin	20	22	22	64	0.22
Upper leg/thigh	13	39	40	92	0.32
Knee	108	0	0	108	0.38
Lower leg/Achilles	21	26	0	47	0.16
Ankle	81	0	0	81	0.28
Foot/toes	37	0	0	37	0.13
Back	0	23	0	23	0.08
Biceps	0	3	0	3	0.01
Rib fracture	6	0	0	6	0.02
Collarbone	9	0	0	9	0.03
Concussion	65	0	0	65	0.23
Elbow	11	0	0	11	0.04
Finger	13	0	0	13	0.05
Hand	15	8	0	23	0.08
Illness	0	6	0	6	0.02
Neck	17	0	0	17	0.06
Pectoralis major	6	0	0	6	0.02
Toe	6	0	0	6	0.02
Shoulder	54	0	0	54	0.19
Sports hernia	0	0	0	0	0.00
Triceps	0	0	0	0	0.00
Forearm	0	0	0	0	0.00
Undisclosed	129	0	0	129	0.45
Total	611	127	62	800	2.81

Season and Anatomic site	Number of Injuries				Injuries per 1000 AEs
	Contact	Noncontact	Overuse	Total
2020-2021
Hip/groin	21	10	38	69	0.64
Upper leg/thigh	0	13	78	91	0.84
Knee	26	63	0	89	0.82
Lower leg/Achilles	10	26	0	36	0.33
Ankle	57	1	0	58	0.53
Foot/toes	20	0	0	20	0.18
Back	1	8	0	9	0.08
Biceps	3	0	0	3	0.03
Rib fracture	18	0	0	18	0.17
Collarbone	2	0	0	2	0.02
Concussion	22	0	0	22	0.2
Elbow	9	0	0	9	0.08
Finger	15	0	0	15	0.14
Hand	5	0	0	5	0.05
Illness	0	33	0	33	0.3
Neck	8	0	0	8	0.07
Pectoralis major	8	0	0	8	0.07
Toe	11	0	0	11	0.1
Shoulder	41	0	0	41	0.38
Sports hernia	0	2	0	2	0.02
Triceps	0	1	0	1	0.01
Undisclosed	32	0	0	32	0.3
Total	309	157	116	582	5.4

AE, athlete exposure.